Consequences of life expectancy Generally, When the life expectancy has increased, the risk of getting deadly diseases, disabilities, dementia would be Increased. As results of these patterns, smoking, obesity, high blood pressure and more account for about 20% In life expectancy across the U.S. There would be an economic impact: a decrease in life expectancy can lead to a reduction in the workforce, which results in lost productivity and the economic growth. Mental health : The decrease of Life expectancy would lead to ; anxiety, stress and depression among the different communities. Points of the consequences - Mental health : the decrease of life expectancy would lead to anxiety , stress and depression among different communities. - Economic impact : a decrease in life expectancy can lead to reduction in the workforce, which results ; lost productivity and economic growth. - Increasing the risk of deadly diseases , disabilities , dementia , advanced ageing prior to death. - smoking , high blood pressure , elevate blood glucose , overweight/ obesity .